The correct answer is (b). V2X technology is a communication technology that allows vehicles to communicate with each other and with infrastructure, such as traffic lights. This communication can help to prevent accidents and improve traffic flow.
(a) Computer Graphics is the field of computer science that deals with the generation of images, animations, and interactive applications. It is not related to V2X technology.
(c) Printing currency notes is the process of printing money. It is not related to V2X technology.
(d) Electronic Gadgets are devices that use electronic components to perform a specific task. They are not related to V2X technology.